Vol. I] STEWART— BOTANY OF COCOS ISLAND 389 



COMMELINACEAE 



Commelina Plum. 



C. nudiflora L. Sp. PI. 41 (1753) : common on the bank of 

 a stream near Chatham Bay, (No. 288). Widely distributed 

 in tropical regions. 



PIPERACEAE 



Peperomia R. & P. 



P. nigropunctata Miq. Syst. Pip. 188 (1840) : occasional on 

 moist rotten logs, (No. 289). Further distr, Martinique Isl. 



MORACEAE 

 Ficus L. 



F. tecolutensis (Liebm.) Miq. ? in Ann. Mus. Bot. Ludg. III. 

 299, n. 64 (1867). Urostigma tecolutense Liebm. K. Dansk. 

 Vidinsk. series 5, XL 324, [reprint, 40 (1851)] : the specimen 

 is sterile and doubtful as to species, (No. 290). Further distr. 

 S. Mex. 



F. sp. : a species of Ficus forming large banyan trees occurs 

 on the sides of the hills above Chatham Bay. No specimens 

 were secured of this species. 



URTICACEAE 



Cecropia L. 



C. Pittieri Robinson, nov. sp. "arborea ; ramis 3-4 cm. crassis 

 cavis septatis; foliis orbicularibus magnis 5 dm. diametro pel- 

 tatis breviter 10-lobatis supra sparse pilosis glabratis viridibus 

 subtus albidis valde reticulatis nervis patente hirsutis; lobis 

 brevibus latisque semiorbicularibus margine undulatis apice 

 rotundatis vel breviter acuminatis sinubus rotundatis; petiolo 

 4 dm. longo 1 cm. diametro tereti albido-arachnoideo basi in- 

 crassato sordide hirsuto; stipulis oblongo-lanceolatis acutis 1.6 

 dm. longis 6 cm. latis utrinque hirsutis margine integerrima 

 tenuiore glabriuscula ejccepta ; spatheis masculis teretibus apice 

 longissime attenuatis 1.4 dm. longis extus griseo-pubescentibus, 

 pedunculo robusto 8 cm. longo; spicis masculis ca. 19 sessilibus 

 1 dm. longis 3 mm. crassis. A true characteristic of the lower 



